chemistry
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Attraction between molecules? | Intermolecular forces
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| Do intermolecular forces influence whether a substance is solid, liquid, or gas? | yes.
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| When the partially positive pole of one molecule attracts the negative pole of another molecule is called?? | Dipole-Dipole forces
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| Bonds that occur when hydrogen is bonded with: F,O, and N.??? | Hydrogen bonds
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| A temporary uneven balance that allows that area to be temporarily changed.? | Dispersion(London)forces
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| What are the bonds in order of strongest to weakest? | ionic,metallic,dipole,dispersion.
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| Give me a description of solids? | Vibrating particles, not fluids,resist compression.
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| The only solid denser than liquid is? | ice!!!!!!
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| Particles that occur in a regular,repeating pattern? | Crystalline solid
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| Particles that have no pattern? | Amorphous solid
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| Temperature that a substance changes form a solid to a liquid. | Melting point
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| Melting? | Solid to liquid....common sense!!!!!
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| Freezing? | Liquid to solid. if you didn't know that just press the x in the right corner now... :(((
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| Produces a rise in temperature that can be sensed? | Sensible heat
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| Heat that produces a phase change by breaking bonds? | Latent heat ( no temp change)
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| Direct change from solid to gas? | Sublimation ex. dry ice.
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| Direct change from gas to solid? | Deposition
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| A repeating 3d pattern of positive and negative ions in a crystal. | Crystal Lattice
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| The simplest unit of repetition in a crystal lattice, the building block of the crystal?? | Unit Cell
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| A substance that forms more than one crystal form is called?? | Polymorph
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| One of 2 or more forms of a polymorphic element that exist in the same physical state. | Allotrope ex. sulfur,arsenic,phosphorus.
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| Weak bonds =?? | Low melting point
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| Energy released when gas changes to a crystal? | Lattice energy
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| Atoms of a noble gas that form soft solids at very low temps?? | Atomic crystals
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| Weak forces that hold covalent bonds together? | Covalent molecular crystals
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| Non-mettalic elements covalently bonded into a large network of atoms.?? | Covalent network crystal
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| Ions that form a repeating network? | Ionic crystals
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| Metal ions? | Metal ions surrounded by mobile electrons.
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| Can liquids be compressed? | No
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| Liquids are much denser than gases? | yes.
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| Attraction between particles of liquid is called? | cohesion
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| Attraction between a liquid and other materials? | adhesion
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| Elastic skin on the surface of a liquid? | surface tension
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| A substance that reduces surface tension? | a surfactent
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| The thickness of a liquid is called? | viscosity
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| A curved upper surface of a column of liquid? | Meniscus
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| The movement of a liquid up a narrow tube is called? | Capillary action
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| Liquid changing to a gas is called? | Vaporization!
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| gas changing to a liquid is called? | condensation!
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| vaporization below the boiling point? | vaporization
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| pressure exerted by the evaporation molecules? | Vapor pressure
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| When evaporation occurs at the same rate as condensation. | Dynamic equalibrium
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| rapid vaporization caused by application of heat is called? | Boiling
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| Temp at which a liquid boils? | boiling point.
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| Using vaporization and condensation to seperate a mixture of liquids is called? | distillation.
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| What shows when a substance is solid, liquid or gas at different temperatures ad pressures? | Phase diagram
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| The temperature and pressure where a substance can be a solid, liquid or gas? | The triple point
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| What is the triple point of water? | 0.01 C
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| the highest temp at which pressure will liquefy as a gas? | The critical temperature
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| The pressure needed to liquefy a gas at its critical temperature!?? | Critical pressure
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| The science of the super cold is called? | Cryogenics
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| If your'e a lovely lading reading this without a banquet date... | Don't worry I'm available (unless your name is not Kierstin) haha
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| Temperature at which vapor pressure equals 760 torr ?? | Normal boiling point
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| Strong cohesion =?? | more viscosity!
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Created by:
Kyle Witt
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